Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A method for projecting an image on a screen, the method comprising: processing a high-dynamic range video signal using an image processing device executing a local dimming algorithm that performs bit separation and scaling to convert the processed high dynamic range video signal into a binary weighted digital byte to derive a separate Least-Significant-Bit (LSB) component of high spatial frequency/low brightness and a Most-Significant-Bit (MSB) component of low spatial frequency/high brightness that are scaled with a brightness weighting; projecting an array of the LSB components of the image onto a front of a screen with a standard dynamic range (SDR) projector; and projecting an array of the MSB components of the image onto a back of the screen using a high intensity light source.
This invention relates to high-dynamic range (HDR) image projection systems designed to enhance brightness and contrast in displayed images. The problem addressed is the limited dynamic range of conventional projectors, which struggle to reproduce both bright highlights and deep shadows simultaneously. The solution involves a dual-projection system that separates an HDR video signal into two components: a high-spatial-frequency, low-brightness Least-Significant-Bit (LSB) component and a low-spatial-frequency, high-brightness Most-Significant-Bit (MSB) component. The LSB component, containing fine details and subtle brightness variations, is projected onto the front of a screen using a standard dynamic range (SDR) projector. The MSB component, representing bright highlights and large-scale brightness variations, is projected onto the back of the screen using a high-intensity light source. The system processes the HDR signal through bit separation and scaling, applying brightness weighting to optimize the dynamic range of the projected image. This approach allows for improved contrast and brightness reproduction compared to single-projector systems.
2. The method of claim 1 , wherein deriving the LSB component comprises deriving an eight bit LSB component.
A method for processing digital image data involves extracting and manipulating the least significant bit (LSB) component of pixel values to enhance image quality or embed data. The method specifically focuses on deriving an eight-bit LSB component from the pixel values, which allows for finer granularity in adjustments or data embedding compared to fewer bits. This approach is useful in applications such as image compression, watermarking, or noise reduction, where preserving or modifying subtle details in the image is critical. The eight-bit LSB component provides a balance between data capacity and precision, enabling more accurate modifications while minimizing visual artifacts. The method may involve isolating the LSB component from each pixel, processing it independently, and then recombining it with higher-order bits to reconstruct the image. This technique can be applied to grayscale or color images, depending on the application requirements. The use of an eight-bit LSB component ensures compatibility with standard image processing pipelines while offering improved performance in tasks that rely on fine-grained pixel adjustments.
3. The method of claim 1 , wherein deriving the MSB component comprises deriving a two bit MSB component.
A system and method for digital signal processing involves extracting and processing the most significant bit (MSB) component of a digital signal to improve signal quality or reduce computational complexity. The method focuses on deriving a two-bit MSB component from the digital signal, which provides a more refined representation of the signal's high-order bits. This two-bit MSB component can be used in various applications, such as noise reduction, signal compression, or adaptive filtering, where preserving the most significant information while minimizing data size is critical. The method may involve quantizing the signal to isolate the two most significant bits, which can then be processed independently or combined with other signal components for further analysis. By extracting a two-bit MSB component, the system achieves a balance between precision and efficiency, making it suitable for real-time processing in embedded systems or high-speed communication applications. The approach reduces the computational load compared to processing the full-bit depth of the signal while maintaining critical signal characteristics. This technique is particularly useful in scenarios where bandwidth or processing power is limited, such as in wireless communication, audio processing, or sensor data analysis.
4. The method of claim 1 , wherein deriving the MSB component comprises deriving a three bit MSB component.
A system and method for digital signal processing involves extracting a most significant bit (MSB) component from a digital signal to improve processing efficiency. The method addresses the challenge of reducing computational complexity while maintaining signal integrity in applications such as audio, image, or data compression. The MSB component is derived as a three-bit value, which captures the highest-order bits of the signal, allowing for efficient quantization or encoding. This three-bit MSB component is used to represent the most significant portion of the signal, enabling faster processing and lower memory usage. The method may also include additional steps such as filtering, quantization, or encoding, where the MSB component is utilized to enhance performance. By focusing on the most significant bits, the system achieves a balance between computational efficiency and signal quality, making it suitable for real-time processing in embedded systems or high-throughput applications. The three-bit MSB component ensures sufficient precision while minimizing resource consumption.
5. The method of claim 1 , wherein deriving the MSB component comprises deriving a four bit MSB component.
A system and method for digital signal processing involves extracting a most significant bit (MSB) component from a digital signal to improve processing efficiency. The MSB component is derived as a four-bit value, which represents the highest-order bits of the signal. This extraction allows for simplified computations, reduced power consumption, and faster processing in applications such as digital filters, encoders, or decoders. The four-bit MSB component is used to approximate the signal's magnitude, enabling efficient comparisons, thresholding, or quantization operations. By focusing on the most significant bits, the system avoids unnecessary precision in lower-order bits, optimizing performance in resource-constrained environments. The method is particularly useful in embedded systems, real-time processing, and low-power applications where computational efficiency is critical. The four-bit MSB component can be further processed or combined with other signal components to enhance accuracy while maintaining computational efficiency. This approach reduces the complexity of arithmetic operations, memory usage, and energy consumption, making it suitable for high-speed or battery-powered devices.
6. The method of claim 1 , wherein deriving the MSB component comprises deriving an N bit MSB component where N is an integer.
This invention relates to digital signal processing, specifically methods for deriving a most significant bit (MSB) component from a digital signal. The problem addressed is the need for efficient and accurate extraction of the MSB component, which is critical for applications such as data compression, noise reduction, and signal quantization. The method involves processing a digital signal to isolate its MSB component, which is a subset of the signal's bits representing the highest-order magnitude values. The MSB component is derived as an N-bit value, where N is an integer, ensuring that the extracted component retains sufficient precision for further processing. The method may include steps such as bit-shifting, masking, or thresholding to isolate the MSB bits from the original signal. The derived MSB component can be used in various applications, such as reducing computational complexity in signal processing algorithms or improving the efficiency of data storage and transmission. By focusing on the most significant bits, the method allows for a balance between accuracy and resource efficiency, making it suitable for real-time processing and embedded systems. The invention may also include additional steps, such as error correction or dynamic adjustment of the bit length N based on signal characteristics, to enhance robustness and adaptability. The method is particularly useful in scenarios where preserving the most significant information while minimizing computational overhead is essential.
7. The method of claim 1 wherein the high intensity light source comprises light emitting diodes (LEDs).
This invention relates to lighting systems, specifically addressing the need for efficient, high-intensity illumination using solid-state light sources. The method involves generating high-intensity light using light emitting diodes (LEDs) to provide bright, energy-efficient lighting. The LEDs are configured to emit light at high luminous flux levels, suitable for applications requiring intense illumination, such as industrial, commercial, or specialized lighting environments. The system may include multiple LEDs arranged in an array or module to achieve the desired light output. The LEDs are driven by a power supply that regulates current and voltage to ensure optimal performance and longevity. The system may also incorporate thermal management features to dissipate heat generated by the LEDs, maintaining stable operation and extending lifespan. The invention aims to provide a reliable, high-intensity lighting solution that outperforms traditional light sources in terms of efficiency, durability, and brightness.
8. The method of claim 1 wherein the high intensity light source comprises lasers.
A system and method for high-intensity illumination involves using a light source to generate a controlled light output for applications such as medical treatments, industrial processes, or scientific research. The light source is configured to produce a high-intensity beam that can be precisely directed and modulated to achieve specific effects, such as tissue ablation, material processing, or optical measurements. The system includes mechanisms for adjusting the intensity, wavelength, and beam characteristics to optimize performance for the intended application. In one embodiment, the high-intensity light source comprises lasers, which provide coherent, monochromatic light with exceptional precision and control. Lasers are particularly effective for applications requiring focused energy delivery, such as surgical procedures, laser cutting, or spectroscopy. The system may further include beam shaping optics, cooling mechanisms, and feedback control to ensure stable and reliable operation. The use of lasers allows for high-energy output with minimal divergence, enabling precise targeting and efficient energy transfer. Additionally, the system may incorporate safety features to prevent accidental exposure to high-intensity light. This approach enhances the versatility and effectiveness of high-intensity illumination systems across various industries.
9. The method of claim 1 wherein the high intensity light source comprises laser diodes.
A system and method for generating high-intensity light using laser diodes to address limitations in conventional lighting technologies. The invention provides a lighting solution with improved brightness, energy efficiency, and precision control compared to traditional light sources. The system includes a high-intensity light source, such as laser diodes, which emit coherent light with high directional output and minimal energy loss. The laser diodes are configured to produce light at specific wavelengths, enabling targeted illumination for applications requiring high brightness or narrow spectral output. The system may also incorporate optical components, such as lenses or diffusers, to shape and direct the emitted light for specific uses. Additionally, the system may include control mechanisms to adjust the intensity, wavelength, or beam shape of the emitted light dynamically. The laser diodes are selected for their efficiency, reliability, and ability to produce high-intensity light in compact form factors. The invention is particularly useful in applications requiring precise illumination, such as medical devices, industrial processes, or advanced display technologies, where conventional light sources may be insufficient. The use of laser diodes ensures consistent performance, reduced heat generation, and longer operational lifetimes compared to traditional lighting methods.
10. The method of claim 1 wherein the image is a video image.
A system and method for processing video images to enhance visual content. The technology addresses the challenge of improving the quality, clarity, or interpretability of video frames, which may be degraded by noise, low resolution, or other distortions. The method involves capturing or receiving a video image, which consists of a sequence of frames, and applying one or more processing techniques to enhance the visual information. These techniques may include noise reduction, resolution enhancement, contrast adjustment, or other image processing algorithms tailored for video data. The processed video image is then output for display, storage, or further analysis. The method ensures that the temporal coherence between frames is maintained during processing to avoid artifacts such as flickering or inconsistencies. The system may be implemented in hardware, software, or a combination thereof, and can be integrated into devices such as cameras, smartphones, or video editing software. The invention improves the usability of video content in applications like surveillance, medical imaging, or entertainment by providing clearer and more detailed visual output.
11. A system for projecting an image on a screen, the system comprising: a screen having a front side and a back side; a standard dynamic range (SDR) projector for projecting an SDR image onto the front side of the screen; a high-brightness array for projecting onto the back side of the screen; and an image processing device, configured to receive a high-dynamic range (HDR) signal and execute a local dimming algorithm to perform bit separation and scaling to convert the HDR signal into a binary-weighted digital byte, to derive a separate Least-Significant-Bit (LSB) component of high spatial frequency/low brightness and a Most-Significant-Bit (MSB) component of low spatial frequency/high brightness from the HDR signal; the image processing device further configured to communicate the LSB component to the SDR projector for projecting the LSB component light image onto the front of the screen; and to communicate the MSB component to the high-brightness array for projecting the MSB component light image onto a back of the screen.
This system enhances image projection by combining a standard dynamic range (SDR) projector and a high-brightness array to display high-dynamic range (HDR) content. The problem addressed is the limited dynamic range of traditional projection systems, which struggle to reproduce both bright highlights and deep shadows simultaneously. The solution involves a screen with front and back surfaces, where the SDR projector displays low-brightness, high-spatial-frequency details (LSB component) on the front, while the high-brightness array projects high-brightness, low-spatial-frequency highlights (MSB component) from the rear. An image processing device processes the HDR input signal, separating it into LSB and MSB components using a local dimming algorithm. The algorithm converts the HDR signal into a binary-weighted digital byte, extracting the LSB component for fine details and the MSB component for bright areas. The SDR projector renders the LSB component on the front of the screen, while the high-brightness array projects the MSB component onto the back, creating a composite image with improved contrast and brightness range. This dual-projection approach leverages the strengths of both display technologies to achieve superior HDR performance.
12. The system of claim 11 , wherein the low spatial frequency of the MSB component is a multiple of the high spatial frequency LSB component selected from the series of 1, ½, ¼, . . . , 1/n, where n=even integers.
This invention relates to image processing systems that decompose an image into multiple spatial frequency components, specifically a most significant bit (MSB) component and a least significant bit (LSB) component. The system addresses the challenge of efficiently encoding and transmitting high-resolution images by separating the image into distinct frequency bands, where the MSB component represents low spatial frequencies (coarse details) and the LSB component represents high spatial frequencies (fine details). The system ensures that the low spatial frequency of the MSB component is a predefined multiple of the high spatial frequency of the LSB component, with the multiple selected from a series such as 1, ½, ¼, ..., 1/n, where n is an even integer. This relationship between the MSB and LSB components allows for optimized compression, transmission, or reconstruction of the image while preserving perceptual quality. The system may include additional components for processing, encoding, or displaying the decomposed image data, ensuring compatibility with various imaging applications. The invention improves upon prior art by providing a structured approach to frequency decomposition that balances computational efficiency and image fidelity.
13. The system of claim 11 , wherein the screen comprises: a semi-transparent screen that reflects a portion of the LSB component light image from the front side.
A system for displaying images using a semi-transparent screen that reflects a portion of the least significant bit (LSB) component light image from the front side. The screen is part of a larger display system that processes and projects an image, where the LSB component represents fine details or subtle variations in brightness or color. By reflecting only a portion of this LSB component light image, the system enhances image clarity and reduces visual artifacts, such as noise or distortion, that can occur when displaying high-resolution or high-contrast content. The semi-transparent nature of the screen allows for a balance between reflected light and transmitted light, improving visibility under varying lighting conditions. This approach is particularly useful in applications requiring high-fidelity image reproduction, such as medical imaging, professional photography, or high-end consumer displays. The system may also include additional components, such as light sources, modulators, and processing units, to generate and control the LSB component light image before it reaches the screen. The reflection of only a portion of the LSB component ensures that the displayed image retains its intended detail while minimizing unwanted visual effects.
14. The system of claim 11 , wherein the screen comprises: a semi-transparent screen that transmits a portion of MSB component light image from the back side to the front side.
A system for displaying images using a semi-transparent screen is described. The system addresses the challenge of combining multiple image components, such as those from different light sources, to produce a high-quality display. The screen is designed to selectively transmit a portion of the most significant bit (MSB) component light image from the back side to the front side. This allows the MSB component to be overlaid with other image components, such as those from a front-side light source, to enhance image depth, contrast, or brightness. The screen's semi-transparent nature enables the integration of multiple image layers while maintaining clarity and reducing interference between components. The system may be used in applications requiring high dynamic range or layered image displays, such as advanced imaging systems, augmented reality devices, or high-end visual displays. The screen's ability to transmit specific portions of the MSB component ensures precise control over image composition, improving overall visual quality.
15. The system of claim 11 wherein the high-brightness array comprises light emitting diodes (LEDs).
A system for high-brightness illumination uses an array of light sources to provide adjustable lighting. The system includes a control module that regulates the output of the light sources to achieve desired brightness levels. The array is designed to emit light with high luminous intensity, making it suitable for applications requiring strong illumination. The control module can adjust the light output dynamically, allowing for precise control over brightness and distribution. The system may also include a feedback mechanism to monitor and optimize performance. In one configuration, the light sources in the array are light emitting diodes (LEDs), which offer energy efficiency and long operational life. The LEDs are arranged in a structured pattern to maximize light output and uniformity. The system can be integrated into various lighting fixtures or used as a standalone illumination solution. The use of LEDs ensures high brightness while maintaining low power consumption, making the system ideal for both indoor and outdoor lighting applications. The control module can interface with external devices or sensors to further enhance functionality, such as adjusting brightness based on ambient light conditions. The overall design focuses on delivering reliable, high-performance lighting with flexible control options.
16. The system of claim 11 wherein the high-brightness array comprises lasers.
A system for optical communication or illumination uses a high-brightness array to generate and control light output. The array includes multiple light sources, such as lasers, arranged to produce a coherent or high-intensity beam. The system further includes a controller that adjusts the array's output based on input signals, enabling dynamic modulation of brightness, direction, or beam shape. The controller may also compensate for environmental factors like temperature or vibration to maintain performance. The high-brightness array, particularly when using lasers, allows for precise beam control, high efficiency, and scalability for applications in telecommunications, lidar, or directed energy systems. The system may integrate additional components like beam steering mechanisms or feedback sensors to enhance functionality. The use of lasers in the array ensures high brightness, narrow spectral bandwidth, and fast response times, making it suitable for demanding optical applications.
17. The system of claim 11 wherein the high-brightness array comprises laser diodes.
A system for optical communication or illumination uses a high-brightness array of light-emitting elements to generate a high-intensity light beam. The array is configured to emit light with controlled spatial and temporal characteristics, enabling applications such as free-space optical communication, laser projection, or high-power lighting. The system includes a driver circuit that modulates the light output of the array to encode data or adjust brightness levels. The high-brightness array may incorporate laser diodes, which provide high efficiency, narrow spectral bandwidth, and precise beam control compared to traditional light sources. The system may also include optical elements such as lenses or diffractive optics to shape the beam profile, ensuring uniform illumination or precise targeting. The driver circuit synchronizes the array's operation with external signals, allowing dynamic adjustments in real time. This design addresses the need for compact, high-performance light sources in applications requiring high brightness, directional control, and fast modulation. The use of laser diodes enhances efficiency and beam quality, making the system suitable for demanding environments where traditional light sources are insufficient.
18. The system of claim 11 wherein the image projected onto the screen is a video image.
A system for displaying video content on a screen involves projecting a video image onto the screen. The system includes a projection device that generates and directs the video image toward the screen, which is positioned to receive and display the projected content. The screen is designed to enhance visibility and clarity of the video image, ensuring optimal viewing conditions. The projection device may include components such as a light source, imaging optics, and a display module that processes and projects the video signal. The screen may feature reflective or diffusive properties to improve image quality under varying ambient lighting conditions. The system may also incorporate adjustments for focus, brightness, and contrast to ensure the video image is displayed with high fidelity. This setup allows for dynamic and high-quality video presentations in various environments, addressing the need for clear and vibrant visual output in applications such as entertainment, education, and professional presentations. The system may further include mechanisms for aligning the projection device with the screen to maintain optimal image quality.
19. The system of claim 11 wherein the screen comprises a flat screen.
A system for displaying information includes a screen configured to present visual content to a user. The screen is a flat screen, which may be a liquid crystal display (LCD), organic light-emitting diode (OLED), or another type of flat-panel display. The system may also include a housing that supports the screen and additional components, such as a processor, memory, and input devices. The processor executes instructions stored in memory to generate and control the display of visual content on the screen. The system may further include communication interfaces for receiving data from external sources, such as networks or peripheral devices. The flat screen design allows for a slim profile, energy efficiency, and improved portability compared to traditional bulky displays. The system may be used in devices like smartphones, tablets, laptops, or digital signage, where space efficiency and visual clarity are important. The flat screen may also incorporate touch-sensitive functionality, enabling user interaction through touch gestures. The system ensures reliable display performance while maintaining a compact and modern form factor.
20. The system of claim 11 wherein the screen comprises a concave screen.
A system for displaying visual content includes a concave screen configured to provide an immersive viewing experience. The concave screen is designed to enhance visual perception by curving inward toward the viewer, reducing peripheral distortion and improving depth perception. The system may include a display device with a curved display surface that conforms to the concave shape, ensuring consistent image quality across the entire viewing area. The concave screen can be integrated into various display technologies, such as LCD, OLED, or microLED, to support high-resolution and high-contrast visuals. The curvature of the screen may be adjustable to accommodate different viewing preferences or environmental conditions. The system may also include image processing components that optimize content for the concave display, such as distortion correction algorithms to maintain image fidelity. The concave screen can be used in applications like virtual reality, simulation training, or high-end home entertainment systems, where immersive visual experiences are desired. The design aims to minimize eye strain and improve comfort during prolonged viewing sessions by aligning the display with the natural curvature of the human field of view.
21. The system of claim 11 wherein the screen comprises a convex screen.
A system for displaying visual content includes a screen with a convex shape. The convex screen is designed to provide an enhanced viewing experience by reducing distortion and improving visibility from multiple angles. The system may include a display device that generates visual content, such as images or video, and projects it onto the convex screen. The screen's curvature allows for a wider field of view and better image clarity compared to flat screens, particularly in applications where viewers are positioned at varying distances or angles. The convex design may also help minimize glare and reflections, improving visibility in bright environments. The system may be used in public displays, digital signage, or immersive entertainment setups where optimal viewing from different positions is important. The convex screen can be made from materials that enhance durability and image quality, such as high-resolution, anti-glare coatings or flexible substrates. The overall system ensures that visual content is displayed with minimal distortion, even when viewed from off-center positions.
22. The system of claim 11 wherein the LSB component comprises an eight bit LSB component.
A system for digital signal processing includes a least significant bit (LSB) component configured to handle the lower precision bits of a digital signal. The LSB component is specifically designed as an eight-bit module, meaning it processes the least significant eight bits of the digital signal. This eight-bit LSB component operates in conjunction with a most significant bit (MSB) component, which processes the higher precision bits of the signal. The system may include additional components such as an arithmetic logic unit (ALU) for performing calculations on the digital signal, a memory unit for storing data, and a control unit for managing operations. The LSB component interfaces with these elements to ensure accurate processing of the lower precision bits, which is critical for maintaining overall signal integrity and performance. The eight-bit configuration allows for efficient handling of fine-grained data adjustments while minimizing computational overhead. This design is particularly useful in applications requiring high precision, such as digital filtering, audio processing, or image rendering, where accurate manipulation of lower-order bits is essential for achieving desired output quality. The system may also include error correction mechanisms to ensure reliability in the LSB processing, further enhancing the robustness of the digital signal processing pipeline.
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September 15, 2020
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